# Relationship history for MSHA mine 4003177

Current hierarchy: **Timothy L  Webb → Prosperity Coal, LLC → Prosperity Mine No. 1**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Jack  Stump Et Al → Prosperity Mine No. 1; 1998-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Roy C  Wagner → Prosperity Mine No. 1; 1999-10-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tennco Inc → Prosperity Mine No. 1; 2001-08-01 to 2008-11-13; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Stump Et Al → Tennco Inc; 2001-08-01 to 2008-11-13; source msha-controller-operator-history
- **controller_controls_operator:** Jackie (Mitch)  Fannin Et Al → Tennco Inc; 2001-08-01 to 2008-11-13; source msha-controller-operator-history
- **operator_operates_mine:** Rebco Coal, Inc. → Prosperity Mine No. 1; 2008-11-14 to 2014-01-20; source msha-controller-operator-history
- **controller_controls_operator:** Roy C  Wagner → Rebco Coal, Inc.; 2008-11-14 to 2014-01-20; source msha-controller-operator-history
- **operator_operates_mine:** Prosperity Coal, LLC → Prosperity Mine No. 1; 2014-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Timothy L  Webb → Prosperity Mine No. 1; 2014-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy L  Webb → Prosperity Coal, LLC; 2014-01-21 to current/open; source msha-controller-operator-history
